java.lang.ClassCastException: org.netbeans.modules.javascript2.editor.parser.JsParserResult cannot be cast to org.netbeans.modules.html.editor.api.gsf.HtmlParserResult
   at org.netbeans.modules.html.navigator.HtmlNavigatorPanelUI$6.run(HtmlNavigatorPanelUI.java:393)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callUserTask(TaskProcessor.java:583)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:150)
   at org.netbeans.modules.parsing.api.ParserManager$UserTaskAction.run(ParserManager.java:134)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:200)
   at org.netbeans.modules.parsing.impl.TaskProcessor$2.call(TaskProcessor.java:197)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager.priorityIO(FileChangedManager.java:176)
   at org.netbeans.modules.masterfs.providers.ProvidedExtensions.priorityIO(ProvidedExtensions.java:360)
   at org.netbeans.modules.parsing.impl.Utilities.runPriorityIO(Utilities.java:72)
Caused: org.netbeans.modules.parsing.spi.ParseException
   at org.netbeans.modules.parsing.impl.TaskProcessor.runUserTask(TaskProcessor.java:205)
   at org.netbeans.modules.parsing.api.ParserManager.parse(ParserManager.java:102)
   at org.netbeans.modules.html.navigator.HtmlNavigatorPanelUI.refresh(HtmlNavigatorPanelUI.java:390)
   at org.netbeans.modules.html.navigator.HtmlNavigatorPanelUI.access$200(HtmlNavigatorPanelUI.java:93)
   at org.netbeans.modules.html.navigator.HtmlNavigatorPanelUI$3.resultChanged(HtmlNavigatorPanelUI.java:136)
   at org.openide.util.lookup.ProxyLookup$1Notify.run(ProxyLookup.java:181)
   at org.openide.util.lookup.ProxyLookup.setLookups(ProxyLookup.java:190)
   at org.openide.util.lookup.ProxyLookup.setLookups(ProxyLookup.java:126)
   at org.netbeans.modules.navigator.NavigatorController$ClientsLookup.beforeLookup(NavigatorController.java:911)
   at org.openide.util.lookup.ProxyLookup.lookup(ProxyLookup.java:215)
   at org.netbeans.modules.navigator.NavigatorController.showProviders(NavigatorController.java:446)
   at org.netbeans.modules.navigator.NavigatorController.access$300(NavigatorController.java:101)
   at org.netbeans.modules.navigator.NavigatorController$1$1.run(NavigatorController.java:381)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:711)
   at java.awt.EventQueue.access$000(EventQueue.java:104)
   at java.awt.EventQueue$3.run(EventQueue.java:672)
   at java.awt.EventQueue$3.run(EventQueue.java:670)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:681)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:158)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:244)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:163)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:147)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:139)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:97)